From 8387f4a491b03963c6ddf10d94feaeb044c8385a Mon Sep 17 00:00:00 2001
From: Chris Sewell <chrisj_sewell@hotmail.com>
Date: Wed, 3 Jul 2024 12:53:16 +0200
Subject: [PATCH] [html] propagate `rel` attribute from `reference` nodes
 (#12489)

See https://developer.mozilla.org/en-US/docs/Web/HTML/Attributes/rel,
this allows third-party extensions to set this attribute on the node and have it propagate to the output HTML
---
 sphinx/writers/html5.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sphinx/writers/html5.py b/sphinx/writers/html5.py
index 90eedd8d71d..1ebea36058a 100644
--- a/sphinx/writers/html5.py
+++ b/sphinx/writers/html5.py
@@ -325,6 +325,8 @@ def visit_reference(self, node: Element) -> None:
             atts['title'] = node['reftitle']
         if 'target' in node:
             atts['target'] = node['target']
+        if 'rel' in node:
+            atts['rel'] = node['rel']
         self.body.append(self.starttag(node, 'a', '', **atts))
 
         if node.get('secnumber'):